Something
public text v1 · immutableflag {
say $+ $1 $+ , $+ $1 $+ $+ $2 $+ , $+ $2 $+ $+ $1 $+ , $+ $1 $+
say $+ $2 $+ , $+ $2 $+
say $+ $1 $+ , $+ $1 $+ $+ $2 $+ , $+ $2 $+ $+ $1 $+ , $+ $1 $+
}
flag2 {
say $+ $1 $+ , $+ $1 $+
say $+ $2 $+ , $+ $2 $+
say $+ $3 $+ , $+ $3 $+
}